Ongoing CPC projects (as of 18 September 2024)

The CPC areas currently undergoing maintenance (MP) or revision (RP) are listed in the table below together with the corresponding project number. The outcome of these projects will be summarized in a Notice of Change pre-released one month before the corresponding changes are implemented in the CPC scheme.

 

Project 

Status

CPC

Title

MP12350

Active

A01B, B21D, B23Q, B27B, B62K, C07C, C07H, C08F, C09B, D06B, E04B

[IPC2025.01](M818) Review of non-specific references in scheme and definitions

RP12462

Active

A01G

[IPC2025.01](F188) Protective coverings for plants; Devices for laying-out coverings

RP10470

Active

A01G

Soilless cultivation, hydroponics

RP12401

Active

A01K

Fish-hooks; Artificial baits for fishing

RP12330

Active

A01K

[IPC2025.01](C528) Rearing or breeding invertebrates; New breeds of invertebrates

MP12337

Active

A01K, A47J, A61D, B23G, C11B, D03D, D21C, D21D, D21H, E04H, F16N, F41B, G03B, G06Q, G07D

[IPC2025.01](M829)(M621) Review the use of term “stock” throughout the IPC scheme and definitions

RP11659

Active

A01K, A61D

Animal husbandry

RP12357

Active

A01N, C12N

[IPC2025.01](C527) Preservation of living parts of humans or animals

RP12370

Active

A21D

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP12366

Active

A23B

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP12367

Active

A23C

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP12368

Active

A23D

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP12381

Active

A23F

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP12382

Active

A23G

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP12369

Active

A23L

[IPC2025.01](C525) Preservation of foods, foodstuffs or non-alcoholic beverages

RP10480

Active

A41G

ARTIFICIAL FLOWERS; WIGS; MASKS; FEATHERS

RP10469

Active

A45C, A45F, G06F, H04B, H04M

Storage receptacles distinction from protective covers Scheme modifications and new defs.

MP12463

Active

A47C

[IPC2025.01](M274) Removal of non-limiting references in subclass A47C

RP12362

Active

A61B

[IPC2025.01](M262) Removal of non-limiting references in subclass A61B

RP10481

Active

A61B

Other methods or instruments for diagnosis

MP11897

Active

A61B

Removal of non limiting references from scheme

MP12467

Active

A61B, B25J, G04C, G05B, H03K, H04W

[IPC2025.01](M837) Review the use of terminology "master/slave"

MP12363

Active

A61F

[IPC2025.01](M264)(F168) Removal of non-limiting references in subclass A61F

RP11992

Active

A61G

TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS

MP12470

Active

A61H, A61M

[IPC2025.01](M634) Artificial respiration; Heart stimulation; Devices for influencing the respiratory system of patients by gas treatment

RP11991

Active

A61J

CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES

RP12360

Active

A61K

[IPC2025.01](F179) Cellular immunotherapy

RP12262

Active

A61K

A61K48 Gene Therapy

RP11785

Active

A61K

Changes to A61K41

MP12460

Active

A61K

[IPC2025.01](F182) Liposomes

MP11676

Active

A61K

Definitions A61K9 and A61K47

RP10468

Active

A61K, Y10S

Bacterial antigens

RP11946

Active

A61M

Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way

RP12149

Active

A63B, A63C

SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE

RP10476

Active

B01D

Selective adsorption, e.g. chromatography

RP11802

Active

B01J

Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof

MP10332

Active

B01J

C-SETS

MP11959

Active

B01L

Removal of additional NLR

RP11745

Active

B05B

Spraying apparatus

RP11955

Active

B08B

Cleaning

RP12361

Active

B08B, B24B

[IPC2025.01](F160) Cleaning by methods involving the use of tools, brushes, or analogous members

RP12170

Active

B21C

MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL

MP12461

Active

B23K

[IPC2025.01](F185) Auxiliary devices or processes for soldering, unsoldering, welding etc

RP12290

Active

B29C

Extrusion moulding

MP12266

Active

B29D, B60C, G01H, G01M, H01H

M830 follow-up "imbalance" vs. "unbalance" correction

RP11669

Active

B32B, D01D, D04H

Deleting outdated Warnings and not used groups in D04H

RP12458

Active

B60K

[IPC2025.01](F170) Instrumentation or dashboards for vehicles

RP12459

Active

B64D

[IPC2025.01](F175) Aircraft powered by electric energy [NET]

RP12358

Active

B65D

[IPC2025.01](F157) Containers or packages with special means for dispensing contents

RP12344

Active

C01F, C01G

[IPC2025.01](F168)(M834) Compounds of manganese, cobalt or nickel

RP11836

Active

C04B

Fillers for mortars, concrete or artificial stone

MP12313

Active

C07D

Heterocyclic Compounds Guidance Headings

RP12293

Active

C07F

Housekeeping in C07F7 and C07F9

MP11852

Active

C07G

C07G scheme and definition changes

RP11530

Active

C07K

Peptides: Peptides having more than 20 amino acids, and Immunoglobulins; Ion Channels (C07K14)

RP12019

Active

C08C

C08C19 Scheme and definitions

RP12030

Active

C08G

Polysiloxanes C08G77

RP12347

Active

C08L

[IPC2025.01](F172) Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers

RP11804

Active

C10M, C10N

To clarify what classifies in C10M & C10N

RP11657

Active

C12N

C12N9 IPC alignment

MP12018

Active

C12N

Mutation or genetic Engineering

MP12083

Active

C21B, C21C

NLR in C21B and C21C

MP12140

Active

C22C

ALLOYS

RP12250

Active

C23C, E02B, F16H, F16J, G01R, H03M

Removal of outdated warnings

MP12469

Active

F01B

[IPC2025.01](M277) MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES

MP12311

Active

F01N

GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES

MP12247

Active

F02F

CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES

MP12294

Active

F02N

Starting of combustion engines; Starting aids for such engines, not otherwise provided for

RP10485

Active

F16H

GEARING

MP12108

Active

F16L

PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL

RP11830

Active

F16M

FRAMES, CASINGS, OR BEDS OF ENGINES

RP12316

Active

F21S

Portable and non-portable lighting devices

RP12345

Active

F22B

[IPC2025.01](M268) Removal of non-limiting references in subclass F22B

MP12348

Active

F22D

[IPC2025.01](M271) Removal of non-limiting references in subclass F22D

MP12349

Active

F22G

[IPC2025.01](M272) Removal of non-limiting references in subclass F22G

RP12426

Active

F23B

METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL

RP12295

Active

F23D

Burners

RP12411

Active

F24D, F24H

FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL

RP12292

Active

F25B

Indexing scheme associated with refrigeration machines

MP12343

Active

F27B

[IPC2025.01](M269) - F27B: Furnaces, Kilns, ovens, or retorts in general; open sintering or like apparatus IPC implementation of Removal Non-Lim Ref

RP12464

Active

F27D

[IPC2025.01](F184) Arrangement for using waste heat; Arrangement for using, or disposing of, waste gases

MP12331

Active

F27D

[IPC2025.01](M273) Removal of non-limiting references in subclass F27D

RP12222

Active

F41G

Sighting devices

MP12034

Active

G01C

Measuring, follow-up project

RP11803

Active

G01N

G01N30 Chromatography

MP12468

Active

G01N

[IPC2025.01](M832) Review of the limiting reference in group G01N 15/00 referring to subclass C12Q and Note 1 after C12Q subclass title

MP12332

Active

G05F

[IPC2025.01](M259) Removal of non-limiting references in subclass G05F

RP12338

Active

G06F

[IPC2025.01](F178) Information retrieval, database structures or file system structures for unstructured textual data

RP12336

Active

G06F

[IPC2025.01](F177)Preventing errors by testing or debugging software

RP12334

Active

G08G

[IPC2025.01](F176)Traffic Control Systems for aircrafts

RP12174

Active

G21B

FUSION REACTORS

MP12252

Active

H01C

Resistors

RP12035

Active

H01F

MAGNETS

RP12465

Active

H01L

[IPC2025.01](C514) Inorganic electric semiconductor devices

MP12098

Active

H01L

Arrangements for connecting or disconnecting semiconductor or solid-state bodies

RP12333

Active

H01L, H10F

[IPC2025.01](C515) SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION

RP12457

Active

H01L, H10H

[IPC2025.01](C516) Light-emitting semiconductor devices with potential-jump barrier or surface barriers

RP12335

Active

H02K

[IPC2025.01](F155) Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines

MP12386

Active

H03G

Follow-up of IPC2024 implementation project to correct NLR & other issues in CPC

MP12364

Active

H03H

[IPC2025.01](M249) Removal of non-limiting references in subclass H03H

MP12387

Active

H03L

Follow-up of IPC2024 implementation project to correct NLR & other issues in CPC

RP12306

Active

H04L

Network arrangements, protocols or services for addressing or naming

MP12248

Active

H04L

Arrangements affording multiple use of the transmission path

RP12303

Active

H04M

Warnings at H04M

RP11832

Active

H04W

Synchronisation arrangements; Affiliation to network, e.g. registration Terminating affiliation with the network

MP12109

Active

H04W

Power management, e.g. TPC (Transmission Power Control), power saving or power classes

MP12365

Active

H05H

[IPC2025.01](M252)-Removal of non-limiting references in subclass H05H

RP12466

Active

H05K

[IPC2025.01](F187) Casings, cabinets or drawers for electric apparatus

MP12406

Active

H10N

[IPC2025.01](C513) ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR (part 2)